245005380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1114

約数の個数: 144

約数和(自身を含む): 794102400

約数和(自身を除く): 549097020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 380, 426, 570, 639, 684, 710, 852, 855, 1009, 1065, 1140, 1278, 1349, 1420, 1710, 2018, 2130, 2556, 2698, 3027, 3195, 3420, 4036, 4047, 4260, 5045, 5396, 6054, 6390, 6745, 8094, 9081, 10090, 12108, 12141, 12780, 13490, 15135, 16188, 18162, 19171, 20180, 20235, 24282, 26980, 30270, 36324, 38342, 40470, 45405, 48564, 57513, 60540, 60705, 71639, 76684, 80940, 90810, 95855, 115026, 121410, 143278, 172539, 181620, 191710, 214917, 230052, 242820, 286556, 287565, 345078, 358195, 383420, 429834, 575130, 644751, 690156, 716390, 859668, 862695, 1074585, 1150260, 1289502, 1361141, 1432780, 1725390, 2149170, 2579004, 2722282, 3223755, 3450780, 4083423, 4298340, 5444564, 6447510, 6805705, 8166846, 12250269, 12895020, 13611410, 16333692, 20417115, 24500538, 27222820, 40834230, 49001076, 61251345, 81668460, 122502690, 245005380]

約数ペア:

[(1, 245005380), (2, 122502690), (3, 81668460), (4, 61251345), (5, 49001076), (6, 40834230), (9, 27222820), (10, 24500538), (12, 20417115), (15, 16333692), (18, 13611410), (19, 12895020), (20, 12250269), (30, 8166846), (36, 6805705), (38, 6447510), (45, 5444564), (57, 4298340), (60, 4083423), (71, 3450780), (76, 3223755), (90, 2722282), (95, 2579004), (114, 2149170), (142, 1725390), (171, 1432780), (180, 1361141), (190, 1289502), (213, 1150260), (228, 1074585), (284, 862695), (285, 859668), (342, 716390), (355, 690156), (380, 644751), (426, 575130), (570, 429834), (639, 383420), (684, 358195), (710, 345078), (852, 287565), (855, 286556), (1009, 242820), (1065, 230052), (1140, 214917), (1278, 191710), (1349, 181620), (1420, 172539), (1710, 143278), (2018, 121410), (2130, 115026), (2556, 95855), (2698, 90810), (3027, 80940), (3195, 76684), (3420, 71639), (4036, 60705), (4047, 60540), (4260, 57513), (5045, 48564), (5396, 45405), (6054, 40470), (6390, 38342), (6745, 36324), (8094, 30270), (9081, 26980), (10090, 24282), (12108, 20235), (12141, 20180), (12780, 19171), (13490, 18162), (15135, 16188)]