178572420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 627006744

約数和(自身を除く): 448434324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 67, 68, 78, 85, 90, 102, 117, 130, 134, 153, 156, 170, 180, 195, 201, 204, 221, 234, 255, 260, 268, 306, 335, 340, 390, 402, 442, 468, 510, 585, 603, 612, 663, 670, 765, 780, 804, 871, 884, 1005, 1020, 1105, 1139, 1170, 1206, 1326, 1340, 1530, 1742, 1989, 2010, 2210, 2278, 2340, 2412, 2613, 2652, 3015, 3060, 3315, 3417, 3484, 3978, 4020, 4355, 4420, 4489, 4556, 5226, 5695, 6030, 6630, 6834, 7839, 7956, 8710, 8978, 9945, 10251, 10452, 11390, 12060, 13065, 13260, 13467, 13668, 14807, 15678, 17085, 17420, 17956, 19890, 20502, 22445, 22780, 26130, 26934, 29614, 31356, 34170, 39195, 39780, 40401, 41004, 44421, 44890, 51255, 52260, 53868, 58357, 59228, 67335, 68340, 74035, 76313, 78390, 80802, 88842, 89780, 102510, 116714, 133263, 134670, 148070, 152626, 156780, 161604, 175071, 177684, 202005, 205020, 222105, 228939, 233428, 266526, 269340, 291785, 296140, 305252, 350142, 381565, 404010, 444210, 457878, 525213, 533052, 583570, 666315, 686817, 700284, 763130, 808020, 875355, 888420, 915756, 992069, 1050426, 1144695, 1167140, 1332630, 1373634, 1526260, 1750710, 1984138, 2100852, 2289390, 2626065, 2665260, 2747268, 2976207, 3434085, 3501420, 3968276, 4578780, 4960345, 5252130, 5952414, 6868170, 8928621, 9920690, 10504260, 11904828, 13736340, 14881035, 17857242, 19841380, 29762070, 35714484, 44643105, 59524140, 89286210, 178572420]

約数ペア:

[(1, 178572420), (2, 89286210), (3, 59524140), (4, 44643105), (5, 35714484), (6, 29762070), (9, 19841380), (10, 17857242), (12, 14881035), (13, 13736340), (15, 11904828), (17, 10504260), (18, 9920690), (20, 8928621), (26, 6868170), (30, 5952414), (34, 5252130), (36, 4960345), (39, 4578780), (45, 3968276), (51, 3501420), (52, 3434085), (60, 2976207), (65, 2747268), (67, 2665260), (68, 2626065), (78, 2289390), (85, 2100852), (90, 1984138), (102, 1750710), (117, 1526260), (130, 1373634), (134, 1332630), (153, 1167140), (156, 1144695), (170, 1050426), (180, 992069), (195, 915756), (201, 888420), (204, 875355), (221, 808020), (234, 763130), (255, 700284), (260, 686817), (268, 666315), (306, 583570), (335, 533052), (340, 525213), (390, 457878), (402, 444210), (442, 404010), (468, 381565), (510, 350142), (585, 305252), (603, 296140), (612, 291785), (663, 269340), (670, 266526), (765, 233428), (780, 228939), (804, 222105), (871, 205020), (884, 202005), (1005, 177684), (1020, 175071), (1105, 161604), (1139, 156780), (1170, 152626), (1206, 148070), (1326, 134670), (1340, 133263), (1530, 116714), (1742, 102510), (1989, 89780), (2010, 88842), (2210, 80802), (2278, 78390), (2340, 76313), (2412, 74035), (2613, 68340), (2652, 67335), (3015, 59228), (3060, 58357), (3315, 53868), (3417, 52260), (3484, 51255), (3978, 44890), (4020, 44421), (4355, 41004), (4420, 40401), (4489, 39780), (4556, 39195), (5226, 34170), (5695, 31356), (6030, 29614), (6630, 26934), (6834, 26130), (7839, 22780), (7956, 22445), (8710, 20502), (8978, 19890), (9945, 17956), (10251, 17420), (10452, 17085), (11390, 15678), (12060, 14807), (13065, 13668), (13260, 13467)]