28363140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 105670656

約数和(自身を除く): 77307516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 23, 26, 30, 31, 34, 36, 39, 45, 46, 51, 52, 60, 62, 65, 68, 69, 78, 85, 90, 92, 93, 102, 115, 117, 124, 130, 138, 153, 155, 156, 170, 180, 186, 195, 204, 207, 221, 230, 234, 255, 260, 276, 279, 299, 306, 310, 340, 345, 372, 390, 391, 403, 414, 442, 460, 465, 468, 510, 527, 558, 585, 598, 612, 620, 663, 690, 713, 765, 780, 782, 806, 828, 884, 897, 930, 1020, 1035, 1054, 1105, 1116, 1170, 1173, 1196, 1209, 1326, 1380, 1395, 1426, 1495, 1530, 1564, 1581, 1612, 1794, 1860, 1955, 1989, 2015, 2070, 2108, 2139, 2210, 2340, 2346, 2418, 2635, 2652, 2691, 2790, 2852, 2990, 3060, 3162, 3315, 3519, 3565, 3588, 3627, 3910, 3978, 4030, 4140, 4278, 4420, 4485, 4692, 4743, 4836, 5083, 5270, 5382, 5580, 5865, 5980, 6045, 6324, 6417, 6630, 6851, 7038, 7130, 7254, 7820, 7905, 7956, 8060, 8556, 8970, 9269, 9486, 9945, 10166, 10540, 10695, 10764, 11730, 12090, 12121, 12834, 13260, 13455, 13702, 14076, 14260, 14508, 15249, 15810, 17595, 17940, 18135, 18538, 18972, 19890, 20332, 20553, 21390, 23460, 23715, 24180, 24242, 25415, 25668, 26910, 27404, 27807, 30498, 31620, 32085, 34255, 35190, 36270, 36363, 37076, 39780, 41106, 42780, 45747, 46345, 47430, 48484, 50830, 53820, 55614, 60605, 60996, 61659, 64170, 68510, 70380, 72540, 72726, 76245, 82212, 83421, 91494, 92690, 94860, 101660, 102765, 109089, 111228, 121210, 123318, 128340, 137020, 139035, 145452, 152490, 157573, 166842, 181815, 182988, 185380, 205530, 218178, 228735, 242420, 246636, 278070, 304980, 308295, 315146, 333684, 363630, 411060, 417105, 436356, 457470, 472719, 545445, 556140, 616590, 630292, 727260, 787865, 834210, 914940, 945438, 1090890, 1233180, 1418157, 1575730, 1668420, 1890876, 2181780, 2363595, 2836314, 3151460, 4727190, 5672628, 7090785, 9454380, 14181570, 28363140]

約数ペア:

[(1, 28363140), (2, 14181570), (3, 9454380), (4, 7090785), (5, 5672628), (6, 4727190), (9, 3151460), (10, 2836314), (12, 2363595), (13, 2181780), (15, 1890876), (17, 1668420), (18, 1575730), (20, 1418157), (23, 1233180), (26, 1090890), (30, 945438), (31, 914940), (34, 834210), (36, 787865), (39, 727260), (45, 630292), (46, 616590), (51, 556140), (52, 545445), (60, 472719), (62, 457470), (65, 436356), (68, 417105), (69, 411060), (78, 363630), (85, 333684), (90, 315146), (92, 308295), (93, 304980), (102, 278070), (115, 246636), (117, 242420), (124, 228735), (130, 218178), (138, 205530), (153, 185380), (155, 182988), (156, 181815), (170, 166842), (180, 157573), (186, 152490), (195, 145452), (204, 139035), (207, 137020), (221, 128340), (230, 123318), (234, 121210), (255, 111228), (260, 109089), (276, 102765), (279, 101660), (299, 94860), (306, 92690), (310, 91494), (340, 83421), (345, 82212), (372, 76245), (390, 72726), (391, 72540), (403, 70380), (414, 68510), (442, 64170), (460, 61659), (465, 60996), (468, 60605), (510, 55614), (527, 53820), (558, 50830), (585, 48484), (598, 47430), (612, 46345), (620, 45747), (663, 42780), (690, 41106), (713, 39780), (765, 37076), (780, 36363), (782, 36270), (806, 35190), (828, 34255), (884, 32085), (897, 31620), (930, 30498), (1020, 27807), (1035, 27404), (1054, 26910), (1105, 25668), (1116, 25415), (1170, 24242), (1173, 24180), (1196, 23715), (1209, 23460), (1326, 21390), (1380, 20553), (1395, 20332), (1426, 19890), (1495, 18972), (1530, 18538), (1564, 18135), (1581, 17940), (1612, 17595), (1794, 15810), (1860, 15249), (1955, 14508), (1989, 14260), (2015, 14076), (2070, 13702), (2108, 13455), (2139, 13260), (2210, 12834), (2340, 12121), (2346, 12090), (2418, 11730), (2635, 10764), (2652, 10695), (2691, 10540), (2790, 10166), (2852, 9945), (2990, 9486), (3060, 9269), (3162, 8970), (3315, 8556), (3519, 8060), (3565, 7956), (3588, 7905), (3627, 7820), (3910, 7254), (3978, 7130), (4030, 7038), (4140, 6851), (4278, 6630), (4420, 6417), (4485, 6324), (4692, 6045), (4743, 5980), (4836, 5865), (5083, 5580), (5270, 5382)]