28328508180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{31183}}^1$

素因数の和:31315

約数の個数: 216

約数和(自身を含む): 100932878592

約数和(自身を除く): 72604370412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 103, 105, 126, 140, 147, 180, 196, 206, 210, 245, 252, 294, 309, 315, 412, 420, 441, 490, 515, 588, 618, 630, 721, 735, 882, 927, 980, 1030, 1236, 1260, 1442, 1470, 1545, 1764, 1854, 2060, 2163, 2205, 2884, 2940, 3090, 3605, 3708, 4326, 4410, 4635, 5047, 6180, 6489, 7210, 8652, 8820, 9270, 10094, 10815, 12978, 14420, 15141, 18540, 20188, 21630, 25235, 25956, 30282, 31183, 32445, 43260, 45423, 50470, 60564, 62366, 64890, 75705, 90846, 93549, 100940, 124732, 129780, 151410, 155915, 181692, 187098, 218281, 227115, 280647, 302820, 311830, 374196, 436562, 454230, 467745, 561294, 623660, 654843, 873124, 908460, 935490, 1091405, 1122588, 1309686, 1403235, 1527967, 1870980, 1964529, 2182810, 2619372, 2806470, 3055934, 3211849, 3274215, 3929058, 4365620, 4583901, 5612940, 6111868, 6423698, 6548430, 7639835, 7858116, 9167802, 9635547, 9822645, 12847396, 13096860, 13751703, 15279670, 16059245, 18335604, 19271094, 19645290, 22482943, 22919505, 27503406, 28906641, 30559340, 32118490, 38542188, 39290580, 44965886, 45839010, 48177735, 55006812, 57813282, 64236980, 67448829, 68758515, 89931772, 91678020, 96355470, 112414715, 115626564, 134897658, 137517030, 144533205, 157380601, 192710940, 202346487, 224829430, 269795316, 275034060, 289066410, 314761202, 337244145, 404692974, 449658860, 472141803, 578132820, 629522404, 674488290, 786903005, 809385948, 944283606, 1011732435, 1348976580, 1416425409, 1573806010, 1888567212, 2023464870, 2360709015, 2832850818, 3147612020, 4046929740, 4721418030, 5665701636, 7082127045, 9442836060, 14164254090, 28328508180]

約数ペア:

[(1, 28328508180), (2, 14164254090), (3, 9442836060), (4, 7082127045), (5, 5665701636), (6, 4721418030), (7, 4046929740), (9, 3147612020), (10, 2832850818), (12, 2360709015), (14, 2023464870), (15, 1888567212), (18, 1573806010), (20, 1416425409), (21, 1348976580), (28, 1011732435), (30, 944283606), (35, 809385948), (36, 786903005), (42, 674488290), (45, 629522404), (49, 578132820), (60, 472141803), (63, 449658860), (70, 404692974), (84, 337244145), (90, 314761202), (98, 289066410), (103, 275034060), (105, 269795316), (126, 224829430), (140, 202346487), (147, 192710940), (180, 157380601), (196, 144533205), (206, 137517030), (210, 134897658), (245, 115626564), (252, 112414715), (294, 96355470), (309, 91678020), (315, 89931772), (412, 68758515), (420, 67448829), (441, 64236980), (490, 57813282), (515, 55006812), (588, 48177735), (618, 45839010), (630, 44965886), (721, 39290580), (735, 38542188), (882, 32118490), (927, 30559340), (980, 28906641), (1030, 27503406), (1236, 22919505), (1260, 22482943), (1442, 19645290), (1470, 19271094), (1545, 18335604), (1764, 16059245), (1854, 15279670), (2060, 13751703), (2163, 13096860), (2205, 12847396), (2884, 9822645), (2940, 9635547), (3090, 9167802), (3605, 7858116), (3708, 7639835), (4326, 6548430), (4410, 6423698), (4635, 6111868), (5047, 5612940), (6180, 4583901), (6489, 4365620), (7210, 3929058), (8652, 3274215), (8820, 3211849), (9270, 3055934), (10094, 2806470), (10815, 2619372), (12978, 2182810), (14420, 1964529), (15141, 1870980), (18540, 1527967), (20188, 1403235), (21630, 1309686), (25235, 1122588), (25956, 1091405), (30282, 935490), (31183, 908460), (32445, 873124), (43260, 654843), (45423, 623660), (50470, 561294), (60564, 467745), (62366, 454230), (64890, 436562), (75705, 374196), (90846, 311830), (93549, 302820), (100940, 280647), (124732, 227115), (129780, 218281), (151410, 187098), (155915, 181692)]