217636380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5516

約数の個数: 144

約数和(自身を含む): 752903424

約数和(自身を除く): 535267044

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, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 5471, 6630, 7956, 9945, 10942, 13260, 16413, 19890, 21884, 27355, 32826, 39780, 49239, 54710, 65652, 71123, 82065, 93007, 98478, 109420, 142246, 164130, 186014, 196956, 213369, 246195, 279021, 284492, 328260, 355615, 372028, 426738, 465035, 492390, 558042, 640107, 711230, 837063, 853476, 930070, 984780, 1066845, 1116084, 1209091, 1280214, 1395105, 1422460, 1674126, 1860140, 2133690, 2418182, 2560428, 2790210, 3200535, 3348252, 3627273, 4185315, 4267380, 4836364, 5580420, 6045455, 6401070, 7254546, 8370630, 10881819, 12090910, 12802140, 14509092, 16741260, 18136365, 21763638, 24181820, 36272730, 43527276, 54409095, 72545460, 108818190, 217636380]

約数ペア:

[(1, 217636380), (2, 108818190), (3, 72545460), (4, 54409095), (5, 43527276), (6, 36272730), (9, 24181820), (10, 21763638), (12, 18136365), (13, 16741260), (15, 14509092), (17, 12802140), (18, 12090910), (20, 10881819), (26, 8370630), (30, 7254546), (34, 6401070), (36, 6045455), (39, 5580420), (45, 4836364), (51, 4267380), (52, 4185315), (60, 3627273), (65, 3348252), (68, 3200535), (78, 2790210), (85, 2560428), (90, 2418182), (102, 2133690), (117, 1860140), (130, 1674126), (153, 1422460), (156, 1395105), (170, 1280214), (180, 1209091), (195, 1116084), (204, 1066845), (221, 984780), (234, 930070), (255, 853476), (260, 837063), (306, 711230), (340, 640107), (390, 558042), (442, 492390), (468, 465035), (510, 426738), (585, 372028), (612, 355615), (663, 328260), (765, 284492), (780, 279021), (884, 246195), (1020, 213369), (1105, 196956), (1170, 186014), (1326, 164130), (1530, 142246), (1989, 109420), (2210, 98478), (2340, 93007), (2652, 82065), (3060, 71123), (3315, 65652), (3978, 54710), (4420, 49239), (5471, 39780), (6630, 32826), (7956, 27355), (9945, 21884), (10942, 19890), (13260, 16413)]